Question

x+2y=7 4x-ay=10 has no solution then a=

Answer 1

here is your answer hope it help....

Answer 2

$condition \: for \: no \: solution \: \: is$

$\frac{a1}{a2} \: = \frac{b1}{b2} = \frac{c1}{c2}$

$\frac{1}{4} = \frac{2}{ -a} = \frac{7}{10}$

$a = - 8$

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